DevTools VS

Bun vs Deno

Updated Apr 26, 2026

Quick Verdict

Both Bun and Deno are popular choices in the JavaScript Runtimes space.

GitHub Stars
Bun 89.3K
vs
Deno 106.5K
Downloads/wk
Bun N/A
vs
Deno N/A
Contributors
Bun 918
vs
Deno 1.2K
Bundle Size
Bun N/A
vs
Deno N/A

Bun

Website

Incredibly fast JavaScript runtime, bundler, test runner, and package manager

javascriptruntimefastall-in-one

Deno

Website

A modern runtime for JavaScript and TypeScript with secure defaults

javascriptruntimesecuretypescript

Detailed Comparison

Side-by-side metrics from GitHub and npm

Metric
Bun
Deno
GitHub Stars
89.3K
106.5K
Weekly Downloads
N/A
N/A
Forks
4.4K
6.0K
Open Issues
6.6K
2.3K
Contributors
918
1.2K
Bundle Size (gzip)
N/A
N/A
Dependencies
N/A
N/A
Latest Version
N/A
N/A
Last Commit
Apr 26, 2026
Apr 26, 2026
License
NOASSERTION
MIT
First Published
Apr 14, 2021
May 15, 2018

Feature Comparison

Framework capabilities at a glance

Feature
Bun
Deno
Typescript
Npm Compat
Built In Test
Built In Bundler
Web Apis
Permissions

Frequently Asked Questions

Common questions about Bun vs Deno

Is Bun better than Deno?

It depends on your use case. Bun is incredibly fast javascript runtime, bundler, test runner, and package manager, while Deno is a modern runtime for javascript and typescript with secure defaults. Compare the stats and features above to decide which fits your needs.

Is Bun still maintained in 2026?

Yes, Bun was last updated on April 26, 2026 and has 918 contributors.

Can I migrate from Bun to Deno?

Migration complexity depends on how deeply Bun is integrated into your project. Both tools serve similar purposes in the JavaScript Runtimes space, so migration is generally feasible with proper planning.

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